import Vue from 'vue'
import VueRouter from 'vue-router'
// import Login from '../components/Login.vue'
// import Home from '../components/Home.vue'
// import Welcome from '../components/Welcome.vue'
// import Users from '../components/user/Users.vue'
// import Rights from '../components/power/Rights.vue'
// import Roles from '../components/power/Roles.vue'
// import Cate from '../components/goods/Cate.vue'
// import Params from '../components/goods/Params.vue'
// import GoodList from '../components/goods/List.vue'
// import AddGood from '../components/goods/Add.vue'
// import GoodsOrder from '../components/order/Order.vue'
// import Report from '../components/report/Report.vue'

const Login = () => import(/* webpackChunkName: "login_home_welcom" */ '../components/Login.vue')
const Home = () => import(/* webpackChunkName: "login_home_welcom" */ '../components/Home.vue')
const Welcome = () => import(/* webpackChunkName: "login_home_welcom" */ '../components/Welcome.vue')

const Users = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/user/Users.vue')
const Rights = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Rights.vue')
const Roles = () => import(/* webpackChunkName: "Users_Rights_Roles" */ '../components/power/Roles.vue')

const Cate = () => import(/* webpackChunkName: "Cate_Params" */ '../components/goods/Cate.vue')
const Params = () => import(/* webpackChunkName: "Cate_Params" */ '../components/goods/Params.vue')

const GoodList = () => import(/* webpackChunkName: "GoodList_Add" */ '../components/goods/List.vue')
const AddGood = () => import(/* webpackChunkName: "GoodList_Add" */ '../components/goods/Add.vue')

const GoodsOrder = () => import(/* webpackChunkName: "Order_Report" */ '../components/order/Order.vue')
const Report = () => import(/* webpackChunkName: "Order_Report" */ '../components/report/Report.vue')



Vue.use(VueRouter)

const routes = [
    { path: '/', redirect: '/login' },
    { path: '/login', component: Login },
    {
        path: '/home',
        component: Home,
        redirect: '/welcome',
        children: [
            { path: '/welcome', component: Welcome },
            { path: '/users', component: Users },
            { path: '/rights', component: Rights },
            { path: '/roles', component: Roles },
            { path: '/categories', component: Cate },
            { path: '/params', component: Params },
            { path: '/goods', component: GoodList },
            { path: '/goods/add', component: AddGood },
            { path: '/orders', component: GoodsOrder },
            { path: '/reports', component: Report }

        ]
    }

]

const router = new VueRouter({
    routes
})

/*挂载路由首位
 to：将要访问的路径
 from：从哪个路途而来
 next：函数，表示放行, next('/login')
*/
router.beforeEach((to, from, next) => {
    const token = window.sessionStorage.getItem('token')
    if (token) {
        next()
    } else {
        to.path == '/login' ? next() : next('/login')
    }
})
export default router